The Books Insiderindependent audiobook data
The Madman of Black Bear Mountain by Franklin W. Dixon

The Madman of Black Bear Mountain: Audiobook

Book 12 of the Hardy Boys Adventures series

According to The Books Insider's catalog data, The Madman of Black Bear Mountain runs 2.9 hours as an unabridged audiobook, narrated by Tim Gregory (about 1.9 hours at 1.5× playback speed).

2.9listening hrs
Non-fiction (Kids)store shelf
2016released
Free for new listeners

The instrument When will you finish it?

Based on 2.9 hours of listening.

Days to finish The Madman of Black Bear Mountain at common listening paces
Your paceYou'll finish in
30 min / day6 days
1 hour / day3 days
2 hours / day2 days
1 hour / day at 1.5×2 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 2.9 hours, it runs longer than 57% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.

Catching up on Hardy Boys Adventures

This is book 12. Books 1 to 11 run 33.7 hours before it; books 1 to 23 run 77.4 hours in all.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

The Madman of Black Bear Mountain is book 12 of Franklin W. Dixon's Hardy Boys Adventures series: a 2.9-hour unabridged recording, read by Tim Gregory, released June 7, 2016, on the Non-fiction (Kids) and Mystery & Fantasy shelves.

The listen at a glance

Length
2.9 hrs
Narrated by
Tim Gregory
Released
June 7, 2016
Format
Unabridged audiobook
Language
English
Store shelves
Non-fiction (Kids), Mystery & Fantasy
Series
Hardy Boys Adventures #12
ISBN
9781621886099

How to listen to The Madman of Black Bear Mountain free

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Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is The Madman of Black Bear Mountain as an audiobook?

The Madman of Black Bear Mountain runs 2.9 hours unabridged. At 1.5× speed that drops to roughly 1.9 hours.

Is The Madman of Black Bear Mountain free as an audiobook?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates The Madman of Black Bear Mountain?

The Madman of Black Bear Mountain is narrated by Tim Gregory.